<template>
  <a-layout-header :class="[headerTheme, 'admin-header']">
    <div :class="['admin-header-wide', layout, pageWidth]">
      <router-link
        v-if="isMobile || layout === 'head'"
        to="/ledgerManagement/assetsLedger"
        :class="['logo', isMobile ? null : 'pc', headerTheme]"
      >
        <img width="60" src="@/assets/img/logo.png" />
        <h1 v-if="!isMobile">{{ systemName }}</h1>
      </router-link>
      <a-divider v-if="isMobile" type="vertical" />
      <a-icon
        v-if="layout !== 'head'"
        class="trigger"
        :type="collapsed ? 'menu-unfold' : 'menu-fold'"
        @click="toggleCollapse"
      />
      <div
        v-if="layout !== 'side' && !isMobile"
        class="admin-header-menu"
        :style="`width: ${menuWidth};`"
      >
        <i-menu
          class="head-menu"
          style="background: #fff;border-bottom: none;"
          :theme="headerTheme"
          mode="horizontal"
          :options="menuData"
          @select="onSelect"
        />
      </div>
      <div :class="['admin-header-right', headerTheme]">
        <header-search
          v-if="hidden"
          class="header-item"
          @active="val => (searchActive = val)"
        />
        <a-tooltip
          v-if="hidden"
          class="header-item"
          title="帮助文档"
          placement="bottom"
        >
          <a href="#" target="_blank">
            <a-icon type="question-circle-o" />
          </a>
        </a-tooltip>
        <header-notice v-if="hidden" class="header-item" />
        <HeaderCompany class="header-item"></HeaderCompany>
        <header-avatar class="header-item" style="display: flex"/>
        <a-dropdown class="lang header-item">
          <div><a-icon type="global" /> {{ langAlias }}</div>
          <a-menu
            @click="val => setLang(val.key)"
            :selected-keys="[lang]"
            slot="overlay"
          >
            <a-menu-item v-for="lang in langList" :key="lang.key">{{
              lang.key.toLowerCase() + " " + lang.name
            }}</a-menu-item>
          </a-menu>
        </a-dropdown>
      </div>
    </div>
  </a-layout-header>
</template>

<script>
import HeaderSearch from "./HeaderSearch";
import HeaderNotice from "./HeaderNotice";
import HeaderAvatar from "./HeaderAvatar";
import HeaderCompany from "@/layouts/header/HeaderCompany.vue";
import IMenu from "@/components/menu/menu";
import { mapState, mapMutations } from "vuex";

export default {
  name: "AdminHeader",
  components: {
    IMenu, HeaderAvatar, HeaderNotice, HeaderSearch,
    HeaderCompany
  },
  props: ["collapsed", "menuData"],
  data() {
    return {
      langList: [
        { key: "CN", name: "简体中文", alias: "简体" },
        { key: "HK", name: "繁體中文", alias: "繁體" },
        { key: "US", name: "English", alias: "English" }
      ],
      hidden: false,
      searchActive: false
    };
  },
  computed: {
    ...mapState("setting", [
      "theme",
      "isMobile",
      "layout",
      "systemName",
      "lang",
      "pageWidth"
    ]),
    headerTheme() {
      if (
        this.layout == "side" &&
        this.theme.mode == "dark" &&
        !this.isMobile
      ) {
        return "light";
      }
      return this.theme.mode;
    },
    langAlias() {
      let lang = this.langList.find(item => item.key == this.lang);
      return lang.alias;
    },
    menuWidth() {
      const { layout, searchActive } = this;
      const headWidth = layout === "head" ? "100% - 188px" : "100%";
      const extraWidth = searchActive ? "600px" : "400px";
      return `calc(${headWidth} - ${extraWidth})`;
    }
  },
  methods: {
    toggleCollapse() {
      this.$emit("toggleCollapse");
    },
    onSelect(obj) {
      this.$emit("menuSelect", obj);
    },
    ...mapMutations("setting", ["setLang"])
  }
};
</script>

<style lang="less" scoped>
@import "index";
</style>
